Update Help - PowerShell
Overview
Update-Help retrieves and updates help files for PowerShell cmdlets, functions, modules, and providers. This allows you to access the latest documentation and information for all your PowerShell components.
Syntax
Update-Help [[-Name] <string>] [-Force] [-Verbose]
Options/Flags
-Name
Specifies the name of the component to update help for. This can be a cmdlet, function, module, or provider.
-Force
Updates help for all components, even if they are already up to date.
-Verbose
Shows detailed information about the update process.
Examples
Simple Example:
Update-Help Get-Process
This updates the help file for the Get-Process cmdlet.
Complex Example:
Update-Help -Name '*Command*' -Force -Verbose
This updates the help files for all commands, forces the update even if they are up to date, and shows detailed information about the process.
Common Issues
- Error: Unable to update help.
This error can occur if you do not have sufficient permissions to access or update the help files. Ensure that you are running PowerShell as an administrator.
Integration
Script Example:
This script updates the help files for all installed modules:
Get-Module -ListAvailable | Update-Help
Command Chain:
You can use the Update-Help command as part of a command chain. For example, to update the help files for the Get-Process cmdlet and then display the help, use the following command:
Update-Help Get-Process | Get-Help